61 int ReadFile(base::PlatformFile file, char* buf, int buf_len) {  in ReadFile()  argument
66   ssize_t res = HANDLE_EINTR(read(file, buf, static_cast<size_t>(buf_len)));  in ReadFile()
74                   int buf_len,  in ReadFileTask()  argument
76   callback->Run(ReadFile(file, buf, buf_len));  in ReadFileTask()
82 int WriteFile(base::PlatformFile file, const char* buf, int buf_len) {  in WriteFile()  argument
84   ssize_t res = HANDLE_EINTR(write(file, buf, buf_len));  in WriteFile()
92                    int buf_len,  in WriteFileTask()  argument
94   callback->Run(WriteFile(file, buf, buf_len));  in WriteFileTask()
140       base::PlatformFile file, char* buf, int buf_len,
143       base::PlatformFile file, const char* buf, int buf_len,
210     base::PlatformFile file, char* buf, int buf_len,  in InitiateAsyncRead()  argument
218                                  file, buf, buf_len,  in InitiateAsyncRead()
224     base::PlatformFile file, const char* buf, int buf_len,  in InitiateAsyncWrite()  argument
232                                  file, buf, buf_len,  in InitiateAsyncWrite()
366     char* buf, int buf_len, CompletionCallback* callback) {  in Read()  argument
371   DCHECK(buf_len > 0);  in Read()
378     async_context_->InitiateAsyncRead(file_, buf, buf_len, callback);  in Read()
381     return ReadFile(file_, buf, buf_len);  in Read()
385 int FileStream::ReadUntilComplete(char *buf, int buf_len) {  in ReadUntilComplete()  argument
386   int to_read = buf_len;  in ReadUntilComplete()
401   } while (bytes_total < buf_len);  in ReadUntilComplete()
407     const char* buf, int buf_len, CompletionCallback* callback) {  in Write()  argument
409   DCHECK_GT(buf_len, 0);  in Write()
418     async_context_->InitiateAsyncWrite(file_, buf, buf_len, callback);  in Write()
421     return WriteFile(file_, buf, buf_len);  in Write()